{"id":4463,"date":"2026-08-06T16:00:00","date_gmt":"2026-08-06T06:00:00","guid":{"rendered":"https:\/\/printshop.paperlust.co\/blog\/?p=4463"},"modified":"2026-10-22T19:22:11","modified_gmt":"2026-10-22T08:22:11","slug":"a0-poster-size-australia","status":"publish","type":"post","link":"https:\/\/printshop.paperlust.co\/blog\/a0-poster-size-australia","title":{"rendered":"A0 Poster Size Australia: The Largest Standard Sheet"},"content":{"rendered":"<style>\n#post-4463 .entry-content p { font-size:20px; line-height:1.7; }\n#post-4463 .entry-content h2 { font-size:34px; line-height:1.3; text-transform:none; margin-top:48px; }\n#post-4463 .entry-content h3 { font-size:24px; line-height:1.35; text-transform:none; margin-top:32px; }\n#post-4463 .entry-content ul, #post-4463 .entry-content ol { font-size:20px; line-height:1.7; }\n#post-4463 .entry-content table { font-size:16px; line-height:1.5; }\n#post-4463 .entry-content th { background:#1a1a1a; color:#fff; padding:10px; text-align:left; }\n#post-4463 .entry-content td { padding:10px; border-bottom:1px solid #e5e5e5; }\n@media (max-width:768px) {\n  #post-4463 .entry-content p,\n  #post-4463 .entry-content ul,\n  #post-4463 .entry-content ol { font-size:18px; }\n  #post-4463 .entry-content table { font-size:14px; }\n}\n<\/style>\n<style data-ps-fmt=\"v1\">#post-4463 #page-title-text{width:100%!important}#post-4463 #page-title-text h1{font-family:\"Libre Caslon Text\",Georgia,serif!important;font-weight:700!important;font-size:38px!important;line-height:1.2!important;letter-spacing:0!important;color:#292726!important;margin:0!important;max-width:750px}#post-4463 .entry-content>h2{font-size:32px!important;line-height:1.25!important;font-weight:700!important;color:#292726!important;margin:48px 0 16px!important}#post-4463 .entry-content>h3{font-size:23px!important;line-height:1.35!important;font-weight:700!important;color:#292726!important;margin:32px 0 12px!important}#post-4463 .entry-content>h4{font-family:\"Libre Caslon Text\",Georgia,serif!important;font-size:20px!important;line-height:1.4!important;font-weight:700!important;color:#292726!important;letter-spacing:0!important;text-transform:none!important;margin:26px 0 8px!important}#post-4463 .entry-content>h2:first-child{margin-top:0!important}#post-4463 .entry-content .ps-fmt-tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:28px 0}#post-4463 .entry-content .ps-fmt-tw>table{margin:0!important}#post-4463 .entry-content figure>.ps-fmt-tw{margin:0}#post-4463 .entry-content table,#post-4463 .entry-content table th,#post-4463 .entry-content table td{font-size:16px!important;line-height:1.5!important}#post-4463 .entry-content table.ps-fmt-t{width:100%;border-collapse:collapse;border:1px solid #e0e0e0}#post-4463 .entry-content table.ps-fmt-t th{background:#2c2c2c;color:#fff;font-weight:600;text-align:left;padding:12px 16px;vertical-align:middle;border:0}#post-4463 .entry-content table.ps-fmt-t td{padding:10px 16px;border:0;border-bottom:1px solid #e0e0e0;vertical-align:top}#post-4463 .entry-content table.ps-fmt-t tbody tr:nth-child(odd) td{background:#f9f9f9}@media (max-width:768px){#post-4463 #page-title-text h1{font-size:28px!important}#post-4463 .entry-content>h2{font-size:26px!important;margin-top:40px!important}#post-4463 .entry-content>h3{font-size:21px!important;margin-top:28px!important}#post-4463 .entry-content>h4{font-size:19px!important}#post-4463 .entry-content table,#post-4463 .entry-content table th,#post-4463 .entry-content table td{font-size:14px!important}#post-4463 .entry-content table.ps-fmt-t th,#post-4463 .entry-content table.ps-fmt-t td{padding:8px 10px}#post-4463 .entry-content .ps-fmt-tw.w5>table{min-width:600px}#post-4463 .entry-content .ps-fmt-tw.w6>table{min-width:720px}}<\/style>\n<p>An A0 poster is <strong>841mm x 1189mm<\/strong> (84.1cm x 118.9cm, or 33.1 x 46.8 inches). It is the largest standard sheet in the ISO A series and covers exactly one square metre of paper. Every smaller A size is produced by halving A0 repeatedly: A1 is half of A0, A2 is half of A1, and so on.<\/p>\n<div class=\"ps-fmt-tw\">\n<table data-canon=\"snip-conversion\">\n<thead>\n<tr>\n<th>Format<\/th>\n<th>Millimetres<\/th>\n<th>Centimetres<\/th>\n<th>Inches<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>A0<\/td>\n<td>841 x 1189 mm<\/td>\n<td>84.1 x 118.9 cm<\/td>\n<td>33.1 x 46.8 in<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Paperlust Print Shop prints A4, A3, A2, A1 and A0 posters. 200 gsm Satin Paper and 200 gsm Synthetic are available in all five sizes, while 170 gsm Gloss Paper and 350 gsm Artboard are available in A3 and A2. Read on to understand which format fits your project.<\/p>\n<div style=\"background:#f8f6f3;border-left:4px solid #c9a96e;padding:16px 20px;margin:20px 0;\"><strong>A0 poster: the quick facts<\/strong><\/p>\n<ul style=\"margin:8px 0 0 0;padding-left:20px;\">\n<li>Dimensions: 841mm x 1189mm<\/li>\n<li>In centimetres: 84.1cm x 118.9cm<\/li>\n<li>In inches: 33.1 x 46.8 inches<\/li>\n<li>Area: exactly 1 square metre<\/li>\n<li>ISO A series position: the largest standard sheet<\/li>\n<li>What Paperlust Print Shop prints: A4, A3, A2, A1 and A0 on 200 gsm Satin Paper and 200 gsm Synthetic, plus 170 gsm Gloss Paper and 350 gsm Artboard in A3 and A2<\/li>\n<li>Need bigger than A1? We print A0 posters on 200 gsm Satin Paper and 200 gsm Synthetic<\/li>\n<li>Common uses: academic conferences, trade shows, large wayfinding, cinema and event displays<\/li>\n<\/ul>\n<\/div>\n<h2>What A0 is and how it fits the ISO A series<\/h2>\n<p>The ISO A series is built on a single rule: each size has exactly double the area of the next size down, and both sizes share the same aspect ratio. That ratio is 1:root(2) (approximately 1:1.414), which is why halving works perfectly without distortion.<\/p>\n<p>A0 is the base of the system, defined as the sheet with an area of exactly one square metre. Every other A size follows from there. Because all sizes share the same proportions, artwork scales between any two A sizes cleanly: a 70.7% reduction takes A0 to A1 exactly, and a 141.4% enlargement takes A1 to A0 exactly.<\/p>\n<div class=\"ps-fmt-tw\">\n<table style=\"width:100%;border-collapse:collapse;font-size:15px;\">\n<thead>\n<tr style=\"background:#1a1a1a;color:#fff;\">\n<th style=\"padding:11px 16px;text-align:left;\">Size<\/th>\n<th style=\"padding:11px 16px;text-align:left;\">mm<\/th>\n<th style=\"padding:11px 16px;text-align:left;\">cm<\/th>\n<th style=\"padding:11px 16px;text-align:left;\">Inches<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:11px 16px;\"><strong>A0<\/strong><\/td>\n<td style=\"padding:11px 16px;\">841 x 1189<\/td>\n<td style=\"padding:11px 16px;\">84.1 x 118.9<\/td>\n<td style=\"padding:11px 16px;\">33.1 x 46.8<\/td>\n<\/tr>\n<tr style=\"background:#fff;\">\n<td style=\"padding:11px 16px;\"><strong>A1<\/strong><\/td>\n<td style=\"padding:11px 16px;\">594 x 841<\/td>\n<td style=\"padding:11px 16px;\">59.4 x 84.1<\/td>\n<td style=\"padding:11px 16px;\">23.4 x 33.1<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:11px 16px;\"><strong>A2<\/strong><\/td>\n<td style=\"padding:11px 16px;\">420 x 594<\/td>\n<td style=\"padding:11px 16px;\">42.0 x 59.4<\/td>\n<td style=\"padding:11px 16px;\">16.5 x 23.4<\/td>\n<\/tr>\n<tr style=\"background:#fff;\">\n<td style=\"padding:11px 16px;\"><strong>A3<\/strong><\/td>\n<td style=\"padding:11px 16px;\">297 x 420<\/td>\n<td style=\"padding:11px 16px;\">29.7 x 42.0<\/td>\n<td style=\"padding:11px 16px;\">11.7 x 16.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<figure class=\"wp-block-image ps-blog-img\" style=\"margin:32px auto;text-align:center;max-width:100%;\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/a0-poster-size-australia-inl1.jpg\" alt=\"Diagram: A0 sheet subdivided into A1, A2, A3 panels \u00b7 To-scale with mm dimensions\" data-no-lazy=\"1\" style=\"max-width:100%;height:auto;border-radius:4px;\" \/><figcaption class=\"wp-element-caption\" style=\"font-size:0.85em;line-height:1.45;color:#666;margin-top:8px;text-align:center;\">Diagram: A0 sheet subdivided into A1, A2, A3 panels \u00b7 To-scale with mm dimensions<\/figcaption><\/figure>\n<h2>What A0 is genuinely used for in Australia<\/h2>\n<p>A0 is the format of choice when content needs to be read from several metres away or when physical scale matters.<\/p>\n<p><strong>Academic and research conferences.<\/strong> This is the most common real-world use of A0 in Australia. Many universities and professional bodies specify A0 as the required poster size because it accommodates a full data layout, including figures, methodology tables, charts and references, at a size that reads clearly from 2-3 metres. If your conference brief specifies A0, they almost certainly mean it. See the dedicated section below.<\/p>\n<p><strong>Trade show and exhibition graphics.<\/strong> A0 has enough surface to carry a brand story, product grid or large diagram alongside headline copy. It holds its own from a standing distance in a busy exhibition hall.<\/p>\n<p><strong>Large wayfinding and directional signage.<\/strong> Building directories, event floor plans and venue maps often use A0 because the format fits map detail and large location labels at the same time.<\/p>\n<p><strong>Cinema and event promotion.<\/strong> Portrait A0 is close to the classic film one-sheet format (27 x 40 inches). It is a natural fit for cinema lobbies and entertainment venue walls. The one sheet and Australian daybill are covered in our guide to <a href=\"https:\/\/printshop.paperlust.co\/blog\/movie-poster-sizes-australia\">movie poster sizes<\/a>, along with the other formats used for film promotions.<\/p>\n<h2>Why a paper A0 poster is often the wrong choice<\/h2>\n<p>Here is something most poster pages do not say plainly: a paper A0 sheet is fragile at that scale.<\/p>\n<p>At 841mm x 1189mm, unframed paper has significant flex across its surface. It curls in warm conditions, particularly if stored in a cardboard tube for more than a few days. Corner and edge damage from transport is common. Mounting flat at this size requires planning and suitable materials, and even a well-mounted paper poster rarely stays completely flat in a humid room. When you are ready to plan the job, our guide to <a href=\"https:\/\/printshop.paperlust.co\/blog\/poster-printing-cost-australia\">poster printing costs<\/a> covers what to expect across common sheet sizes.<\/p>\n<p>The reasons most people search for A0 are: their conference specified it, they need a large event display, or they want a statement piece for a wall. The right solution depends on which of those applies.<\/p>\n<p>For <strong>conference work<\/strong>, a specialist conference printer is generally the correct call. We cover that in detail below.<\/p>\n<p>For <strong>event displays and trade shows<\/strong>, a rigid panel almost always performs better than paper. A PVC sign or corflute panel at a similar or custom size arrives flat, requires no framing, attaches directly to a stand or wall, and survives the booth pack-down without damage. Our <a href=\"https:\/\/printshop.paperlust.co\/categories\/signage-panels\">signage panels range<\/a> covers large-format options at custom sizes. Where the panel is walked past from both approaches, <a href=\"https:\/\/printshop.paperlust.co\/products\/corflute-plastic-signs\">double sided corflute signs<\/a> carry the artwork on both faces of the same board.<\/p>\n<p>Our <a href=\"https:\/\/printshop.paperlust.co\/products\/posters\">poster range<\/a> covers A4, A3, A2, A1 and A0. 200 gsm Satin Paper and 200 gsm Synthetic are available in all five sizes, while 170 gsm Gloss Paper and 350 gsm Artboard are available in A3 and A2. 200 gsm Synthetic is tear-resistant and moisture-resistant, which makes it a practical choice for displays that will be moved, handled or stored. For a statement piece for a wall rather than a display, <a href=\"https:\/\/printshop.paperlust.co\/products\/canvas-prints\">canvas printing<\/a> is the closer fit, because a 60x90cm gallery wrap is printed on 400gsm artist-grade canvas, stretched over a solid timber frame and arrives assembled, so it needs no separate frame.<\/p>\n<figure class=\"wp-block-image ps-blog-img\" style=\"margin:32px auto;text-align:center;max-width:100%;\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/a0-poster-size-australia-inl2.jpg\" alt=\"Left: Rigid PVC signage panel \u00b7 Right: Curling paper poster \u00b7 Durability comparison at large format\" data-no-lazy=\"1\" style=\"max-width:100%;height:auto;border-radius:4px;\" \/><figcaption class=\"wp-element-caption\" style=\"font-size:0.85em;line-height:1.45;color:#666;margin-top:8px;text-align:center;\">Left: Rigid PVC signage panel \u00b7 Right: Curling paper poster \u00b7 Durability comparison at large format<\/figcaption><\/figure>\n<h2>Scaling from A0 to A1: what actually changes<\/h2>\n<p>If you have designed at A0 and need to print at A1, the maths is exact: A1 is 70.7% of A0 in both dimensions (the square root of 0.5). There is no distortion because the two sizes share the same aspect ratio.<\/p>\n<p>What to watch when scaling down:<\/p>\n<p><strong>Body text.<\/strong> Conference posters at A0 typically use 24-28pt body text and 60-72pt headings for a viewing distance of 1.5-2 metres. At A1, the same viewing distance applies, so those text sizes remain legible. If viewers will stand closer, body text can be reduced further.<\/p>\n<p><strong>Figures and data tables.<\/strong> Axis labels and legends at A0 are typically 18-20pt. Scaled to A1, these become 12-14pt, which reads clearly at arm&#8217;s length. Dense data tables should be proofed at A1 scale before ordering.<\/p>\n<p><strong>Margins.<\/strong> A 20mm margin at A0 becomes 14mm at A1 after a 70.7% scale. That is within normal range. Very tight original margins may need manual adjustment.<\/p>\n<p><strong>The workflow in most design tools:<\/strong> save a copy of the A0 file, change the artboard or page size to 594mm x 841mm (A1), scale all objects to 70.7%, then export to PDF at 300dpi minimum with embedded fonts.<\/p>\n<h2>Academic conference posters in Australia: a practical guide<\/h2>\n<p>Many Australian academic conferences, particularly in medicine, science, engineering and social research, require A0 posters. Here is what to do.<\/p>\n<p><strong>Step 1: Check the conference requirements carefully.<\/strong> Some conferences specify &#8220;A0&#8221; but the display boards are A1. Read any document that lists board dimensions. If the board is A1, an A0 paper poster will not fit. If in doubt, email the conference organiser before you print.<\/p>\n<p><strong>Step 2: Design at A0 from the start.<\/strong> If A0 is confirmed, set your file to 841mm x 1189mm and work at that size throughout. Designing at A3 or A4 and scaling up at print time produces soft text and pixellated images on any professional printer.<\/p>\n<p><strong>Step 3: Use a specialist conference printer.<\/strong> University print rooms and commercial conference printers around Australia routinely produce A0 posters on satin or matte paper, and increasingly on fabric. Order at least a week before you travel to allow time for print, dispatch and any corrections.<\/p>\n<p><strong>Step 4: Consider fabric stock.<\/strong> Fabric A0 posters fold flat, pack in a standard suitcase without a tube, and unroll cleanly on most display boards. They cost a little more than paper, but the travel and storage convenience is significant for researchers presenting at interstate or international conferences.<\/p>\n<p><strong>Step 5: Plan for reuse.<\/strong> A rolled paper A0 poster rarely survives more than one or two displays without corner damage. If you want a copy for your lab wall or a second conference, have a scaled A1 version made on synthetic stock. An A1 on waterproof synthetic lies flat, mounts easily with poster strips, and tolerates a humid environment for years.<\/p>\n<p>If your conference allows A1 as an alternative to A0, our <a href=\"https:\/\/printshop.paperlust.co\/products\/posters\">A1 synthetic posters<\/a> arrive flat and are ready to pin to a display board without framing. If the board is A0, we print A0 posters on 200 gsm Satin Paper and 200 gsm Synthetic. If you need a rigid free-standing A0 board instead, <a href=\"https:\/\/printshop.paperlust.co\/products\/foam-board\">foam board<\/a> prints at A0 (841 x 1189 mm) in 5mm or 10mm, and one sided boards can be finished with a fold-out strut so they stand on their own for indoor use. Delivery is $15 standard or $60 express per order, Australia-wide. Pickup from Oakleigh South, Victoria is available at no charge. Confirm with the organiser before ordering.<\/p>\n<figure class=\"wp-block-image ps-blog-img\" style=\"margin:32px auto;text-align:center;max-width:100%;\"><img decoding=\"async\" src=\"https:\/\/printshop.paperlust.co\/blog\/wp-content\/uploads\/2026\/08\/a0-poster-size-australia-inl3.jpg\" alt=\"A0 research poster \u00b7 Fabric stock \u00b7 Mounted at academic conference display\" data-no-lazy=\"1\" style=\"max-width:100%;height:auto;border-radius:4px;\" \/><figcaption class=\"wp-element-caption\" style=\"font-size:0.85em;line-height:1.45;color:#666;margin-top:8px;text-align:center;\">A0 research poster \u00b7 Fabric stock \u00b7 Mounted at academic conference display<\/figcaption><\/figure>\n<h2>A0 buying routes for the largest standard sheet<\/h2>\n<p>Paperlust prints A0 posters on 200 gsm Satin Paper and 200 gsm Synthetic. For a rigid indoor A0 display, consider <a href=\"https:\/\/printshop.paperlust.co\/products\/foam-board\">A0 foam board<\/a> as an alternative buying path.<\/p>\n<ul>\n<li>A conference or foyer board: one A0 foam board, 5 mm thickness, printed on one side, rectangular, without strut, at $148.91.<\/li>\n<li>When the organiser accepts A1: one A1 synthetic poster for $80.77 including GST; A1 covers half the area of A0, and its edges are roughly 71 percent of A0 length.<\/li>\n<li>If your artwork splits into two panels: two A1 sheets can sit side by side as a pair, with no single item price quoted here.<\/li>\n<\/ul>\n<p>Foam board suits indoor use, and one sided boards can be finished with a fold out strut so they stand on their own.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<h3>What size is an A0 poster in mm?<\/h3>\n<p>841mm wide by 1189mm tall in portrait orientation. In landscape, 1189mm is the width and 841mm is the height.<\/p>\n<h3>What size is an A0 poster in centimetres?<\/h3>\n<p>84.1cm x 118.9cm.<\/p>\n<h3>Does Paperlust Print Shop print A0 posters?<\/h3>\n<p>Yes. Our poster range covers A4, A3, A2, A1 and A0. A0 posters are printed on 200 gsm Satin Paper and 200 gsm Synthetic. For fully exposed outdoor display, choose a vinyl banner or a rigid sign instead. See our <a href=\"https:\/\/printshop.paperlust.co\/categories\/signage-panels\">signage printing<\/a> range.<\/p>\n<h3>What is the difference between A0 and A1?<\/h3>\n<p>A1 is exactly half the area of A0. A0 is 841mm x 1189mm and A1 is 594mm x 841mm. Scaling from A0 to A1 means reducing both dimensions to 70.7% of their original size.<\/p>\n<h3>What resolution should an A0 poster file be?<\/h3>\n<p>300dpi at print size is recommended for sharp output, particularly for charts and fine text. Export as PDF with embedded fonts rather than flattening to a raster image.<\/p>\n<h3>What paper stock is used for A0 conference posters in Australia?<\/h3>\n<p>University print rooms and commercial conference printers typically use 170-230gsm satin or matte paper. Fabric stock is increasingly popular because it folds flat for travel and hangs smoothly on most display boards.<\/p>\n<h3>My conference spec says A0 but I want a copy for my office wall afterwards. What should I do?<\/h3>\n<p>Print the A0 at a conference printer for the event. Then have a scaled A1 version made on synthetic stock for your lab or office wall. A synthetic A1 lies flat, tolerates pinning and removable adhesive, and lasts for years without curling.<\/p>\n<h3>What is the difference between A0 and B0?<\/h3>\n<p>B0 (1000mm x 1414mm) is the base of the ISO B series, which runs alongside the A series. B0 is slightly larger than A0 and is used mainly in specialised printing and bookbinding contexts. Most Australian academic conferences specify A0, not B0. Our guide to <a href=\"https:\/\/printshop.paperlust.co\/blog\/b-series-poster-sizes-b0-b1-b2\">B series poster sizes<\/a> explains how the larger B formats sit alongside the A series.<\/p>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What size is an A0 poster in mm?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"841mm wide by 1189mm tall in portrait orientation. In landscape, 1189mm is the width and 841mm is the height.\"}}, {\"@type\": \"Question\", \"name\": \"What size is an A0 poster in centimetres?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"84.1cm x 118.9cm.\"}}, {\"@type\": \"Question\", \"name\": \"Does Paperlust Print Shop print A0 posters?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Our poster range covers A4, A3, A2, A1 and A0. 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See our signage panels range.<\/p>\n","protected":false},"author":4,"featured_media":4544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"A0 Poster Size Australia: Dimensions + Guide | Paperlust","_yoast_wpseo_metadesc":"A0 poster size is 841 x 1189 mm. We print A4 to A0 on 200 gsm Satin Paper and 200 gsm Synthetic, plus 170 gsm Gloss Paper and 350 gsm Artboard in A3 and A2.","footnotes":""},"categories":[19],"tags":[],"class_list":["post-4463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-posters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A0 Poster Size Australia: Dimensions + Guide | Paperlust<\/title>\n<meta name=\"description\" content=\"A0 poster size is 841 x 1189 mm. 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